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Why is setTimeout(fn, 0) sometimes useful?

...o initialize the drop-down list, ready to have its selected index updated, and Your code to set the selected index Your code was consistently winning this race and attempting to set drop-down selection before the browser was ready, meaning that the bug would appear. This race existed because Java...
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Remove grid, background color, and top and right borders from ggplot2

...ately below by using ggplot2. I can come close, but cannot remove the top and right borders. Below I present several attempts using ggplot2, including several suggestions found on or via Stackoverflow. Unfortunately I have not been able to get those suggestions to work. ...
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RGB to hex and hex to RGB

How to convert colors in RGB format to hex format and vice versa? 50 Answers 50 ...
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The simplest possible JavaScript countdown timer? [closed]

... I have two demos, one with jQuery and one without. Neither use date functions and are about as simple as it gets. Demo with vanilla JavaScript function startTimer(duration, display) { var timer = duration, minutes, seconds; setInterval(functio...
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What is this operator in MySQL?

I'm working on code written by a previous developer and in a query it says, 9 Answers ...
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What does %~dp0 mean, and how does it work?

I find %~dp0 very useful, and I use it a lot to make my batch files more portable. 7 Answers ...
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android studio 0.4.2: Gradle project sync failed error

....... This worked for me. File -> Invalidate caches / Restart Shutdown Android Studio Rename/remove .gradle folder in the user home directory Restart Android Studio let it download all the Gradle stuff it needs Gradle build success ! Rebuild project.... success ! Out of curiousity I compared t...
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How to stop app that node.js express 'npm start'

... npm help npm-scripts prestop, stop, poststop: Run by the npm stop command. Set one of the above in your package.json, and then use npm stop npm help npm-stop You can make this really simple if you set in app.js, process.title = myApp; And, then in scripts.json, "scripts": { "star...
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How can I make a div stick to the top of the screen once it's been scrolled to?

...s been scrolled enough to contact its top boundary, becomes fixed in place and scrolls with the page. 21 Answers ...
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Android studio: new project vs new module

Android Studio uses the concept of modules , whereas other IDEs like Eclipse use projects . However AS File menu has the option to create a New Module as well as a new Project . ...